While carnitine works to move fat to mitochondria, caffeine works on the fat-loss equation from the other side – prompting more fat to leave the fat cells so carnitine can take it away to be burned.
When adenosine binds to its receptors on fat cells, it prevents fat from leaving. But when caffeine binds to these fat-cell receptors, it allows fat to leave the cells and get burned. Thus, taking caffeine with carnitine enhances the overall fat-burning effect. In fact, Korean scientists found that when trained athletes took carnitine and caffeine together before exercise, they burned more fat and fought fatigue longer than when they took carnitine or caffeine alone.
>> Use them like this: About one hour before workouts, take 1–3 grams of carnitine (in the form of L-carnitine, acetyl-L-carntine, propionyl-L-carnitine or L-carnitine L-tartrate) with 200–400 mg of caffeine in the form of caffeine anhydrous (dry). Don't grab a coffee for your preworkout caffeine kick. Look for supplements that provide caffeine anhydrous for best results.
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